remove specific index character in javascript code example

Example 1: javascript remove specific character from string

var newString = oldString.replaceAll("character/string goes here", "");

// Example
var oldString = "Hello World!";
var newString = oldString.replaceAll("o", "");
console.log(newString);
// Prints 'Hell Wrld!' to console.

Example 2: delate char betwen index js

// First find the substring of the string to replace, then replace the first occurrence of that string with the empty string.

S = S.replace(S.substring(bindex, eindex), "");

//Another way is to convert the string to an array, splice out the unwanted part and convert to string again.

var result = S.split("");
result.splice(bindex, eindex - bindex);
S = result.join("");